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Juniata County
Juniata County Courthouse in Mifflintown
Juniata County Courthouse in Mifflintown
Map of Pennsylvania highlighting Juniata County
Location within the U.S. state of Pennsylvania
Map of the United States highlighting Pennsylvania
Pennsylvania's location within the U.S.
Country  United States
State  Pennsylvania
Founded March 2, 1831
Named for Juniata River
Seat Mifflintown
Largest borough Port Royal
 • Total 394 sq mi (1,020 km2)
 • Land 391 sq mi (1,010 km2)
 • Water 2.2 sq mi (6 km2)  0.6%%
 • Estimate 
 • Density 64/sq mi (25/km2)
Time zone UTC−5 (Eastern)
 • Summer (DST) UTC−4 (EDT)
Congressional district 10th

Juniata County is a county located in the U.S. state of Pennsylvania. At the 2010 census, the population was 24,636. Its county seat is Mifflintown. The county was created on March 2, 1831, from part of Mifflin County and named for the Juniata River.

Mountains in Juniata County include Tuscarora Mountain and Shade Mountain. Agricultural land and forested land make up most of the county's area. Major rivers and creeks in the county include the Susquehanna River, the Juniata River, Tuscarora Creek, and West Branch Mahantango Creek. It borders seven other counties. The county lies over 16 different rock formations (which are from the Ordovician, Silurian, and Devonian) and 51 different soils.

Juniata County has a relatively low population density. The most population-dense parts of the county are the boroughs of Mifflintown and Mifflin. The most common races in the county are white (96.8% of all residents) and black (0.6% of all residents). Between 1940 and 2005, Juniata County's population grew faster than all but two other counties in Pennsylvania. Susquehanna Township had the fastest-growing population of any borough or township in the county during this time period. Livestock farming is the largest industry in the county, although there are other industries as well, including crop farming and tourism. Manufacturing jobs are the most common jobs in the county. The county's median household income is $34,698 per year and its median family income is $39,757 per year. The poverty rate is 9.5% and the unemployment rate is 5.4%. The median house value in the county was $87,000 in 2000. The main roads in Juniata County are Pennsylvania Route 235, Pennsylvania Route 35, Pennsylvania Route 104, U.S. Route 11/U.S. Route 15, U.S. Route 22/U.S. Route 322, Pennsylvania Route 74, Pennsylvania Route 850, and Pennsylvania Route 333.

There are four boroughs and thirteen townships in Juniata County. The county is served by two school districts: the Juniata County School District and the Greenwood School District. There are five areas in Juniata County that are protected by the Central Pennsylvania Conservancy and 59 natural heritage sites in the county.

The first European settlers arrived in Juniata County in the 1750s. The county has historically been part of Mifflin County and before that, part of Cumberland County.


Juniata County was historically a part of Cumberland County and later Mifflin County. Juniata County was formed on March 2, 1831, from parts of Mifflin County. It is named after the Juniata River. The word "juniata" itself is a Seneca word that means either "people of the standing stone" or "blue waters". The first boroughs in the county to be settled were Mifflintown and Thompsontown, which were settled in 1790. Port Royal and Mifflin were settled in 1812 and 1848, respectively. The first of these borough to be incorporated was Mifflintown, on March 6, 1833. The last one to be incorporated was Thompsontown, on February 7, 1868. However, squatters arrived in the county and were removed from it considerably earlier, by 1750 and one of the first warrants for land in the county was issued in 1755. Many of the earliest landowners in Delaware Township were speculators as opposed to settlers. There was an Indian raid in the county in 1755 and 1756, although Fort Bingham and Fort Peterson had been constructed. The Beale family was one of the earliest families to inhabit the county. More settlers arrived in the 1750s and 1760s and the first gristmill on the western side of the Juniata River was built in the county in 1767. A public road was built in the county between Tuscarora Creek and a location near Shade Mountain in 1768. John Hamilton constructed a sawmill and gristmill on Cocalamus Creek in Delaware Township in 1776. The first known physician in the county, Dr. Ezra Doty, settled in Mifflintown in 1791.

The first four townships in what would become Juniata County were formed on October 23, 1754. They were Lack Township, Aire Township, Fannett Township, and Tyrone Township. These early townships had no formal boundaries. By 1913, the original townships had been divided into a total of 13 townships.

The Pennsylvania Canal began serving Juniata County in 1826 and closed in 1900. The Pennsylvania Railroad reached the county in the late 1840s. The Tuscarora Valley Railroad was also in the county until it closed in 1934.

During Hurricane Agnes in 1972, a total of 6374 acres of Juniata County were flooded. 57 families were displaced during this flooding.

Juniata County was the last county in Pennsylvania to develop a modern comprehensive plan. It did, however, construct a comprehensive plan in 1974.

In a 1997 survey, 66.8% of respondents found Juniata County a "very desirable" living place. In a similar survey in 2007, however, only 56.9% of respondents found the county a "very desirable" living place.

Historic places

Academia Bridge, Spanning Tuscarora Creek, bypassed section of Mill, Academia (Juniata County, Pennsylvania)
The Academia Pomeroy Covered Bridge

Eight locations in Juniata County are listed on the National Register of Historic Places. They were listed between 1972 and 1986. They include the Academia Pomeroy Covered Bridge, the Tuscarora Academy, and the Book Site in Beale Township; the Dimmsville Covered Bridge in Greenwood Township; the Lehmans-Port Royal Bridge in Milford Township; and the East Oriental and North Oriental covered bridges. Eight additional places are eligible for a listing on the National Register of Historic Places. There are five Pennsylvania Historical and Museum Commission historical markers in Juniata County. They commemorate the Tuscarora Path, the Tuscarora Academy, Patterson's Fort, Fort Bingham, and Juniata County itself.

The Academia Pomeroy Covered Bridge (also known as the Pomeroy Academia Covered Bridge) was built in 1901. It is 18 feet (5.5 m) wide and 278 feet (85 m) long, making it one of the longest remaining covered bridges in Pennsylvania.


Beale Township fields near Tuscarora Creek
Fields near Tuscarora Creek in Beale Township, with Limestone Ridge in the background

According to the U.S. Census Bureau, the county has a total area of 394 square miles (1,020 km2), of which 391 square miles (1,010 km2) is land and 2.2 square miles (5.7 km2) (0.6%) is water.

Juniata County is located between two major metropolitan areas. One is State College, which is northwest of the county. The other is Harrisburg, which is to the southeast of the county. U.S. Route 22/U.S. Route 322, which is a four-lane highway, leads from the county to these metropolitan areas.

Parts of Juniata County are fairly flat, but there are areas in the county with slopes of 25% or greater. However, most development in the county is confined to areas with slopes of 15% or less. Many of the county's steepest slopes, with grades of 25% of more, are located on the edges of the county. These slopes are generally found on mountainous ridges. However, there are some similarly steep slopes in the middle of the county. All four boroughs in the county have slopes with a grade of 25% or more near them. Slopes of 15% to 25% can be found throughout the county.

Much of Juniata County is hilly. Mountains occupy many of the county's borders. Tuscarora Mountain forms the county's border with Perry County. Shade Mountain runs from Snyder County through Juniata County and into Huntingdon County.

There are two locations in Juniata County that the Juniata County Comprehensive Plan describes as "outstanding and unique scenic features". These are Hawstone Overlook and the Concord Narrows. Hawstone Overlook is an overlook in Milford Township on Pennsylvania Route 333, from which the Juniata River between Shade Mountain and Blue Mountain can be seen, as well as the Lewistown Narrows. The Concord Narrows are a narrow water gap where the Juniata River flows past Tuscarora Mountain. Quartizite from the Silurian Period can be found in this water gap.

Rivers and watersheds

There are several major streams and rivers in Juniata County. These include the Susquehanna River, the Juniata River, Tuscarora Creek, Cocolamus Creek, West Branch Mahantango Creek, Licking Creek, and Lost Creek.

112,000 acres, or 45% of Juniata County's area is in the Tuscarora Creek watershed, including the borough of Port Royal. 59,000 acres (24% of the county's area) is in the Juniata River watershed. This area includes parts of all four of the boroughs in the county. 26,000 acres of Juniata County are in the Cocolamus Creek watershed and a similar amount of the county is in the watershed of Lost Creek. 20,000 acres (8% of the counties area) are in the West Branch Mahantango Creek watershed.

Land use

Residential land makes up more than 50,000 acres, or one fifth, of Juniata County's area. The bulk of residential land is single-family dwellings, but seasonal homes and mobile homes also make up significant portions of it. The county's residential land is concentrated along in its boroughs, but occurs along roads and in villages throughout the county. Multi-family residential land is comparatively rare. Less than 1% of the county's land (430 acres) is used for manufacturing purposes. Only approximately 370 acres are used for transportation and utilities. Roughly 300 acres are used for transportation and communication and 70 acres are used for other utilities. Businesses make up 0.21% of the county's land, or 525 acres. 490 acres are devoted to retail businesses, while 35 acres are devoted to wholesale businesses. Services occupy 0.67% of the county's area.

Land devoted to recreation in Juniata County makes up 0.5%, or 1000 acres, of its area. Agricultural land comprises 41% (101,000 acres) of the county. A total of 167,500 acres, or approximately two thirds of the county's area, is forested land. Large portions of the southwestern part of the county are forested. 34% of the county's land is undeveloped, most of which (60,000 acres) is unused land.

The vast majority of Juniata County is rural land. However, there are a few rural hamlets and villages (which have one to four housing units per acre) scattered throughout the county. There is also an area termed a "high growth area" by the Juniata County Comprehensive Plan near the boroughs of Mifflin and Mifflintown. It has between 8 and 17 housing units per acre. The Juniata County Comprehensive Plan also designates areas near Thompsontown and Port Royal as "rural growth area[s]". These areas have three to six housing units per acre.

Adjacent counties

Juniata County borders Mifflin County, Pennsylvania to the northwest, Snyder County, Pennsylvania to the north, Northumberland County, Pennsylvania to the northeast, Dauphin County, Pennsylvania to the southeast, Perry County, Pennsylvania to the south, and Huntingdon County, Pennsylvania and Franklin County, Pennsylvania to the southwest.


Juniata County lies over 16 different rock formations, some of which contain limestone. These rock formations come from the Ordovician Period, the Silurian Period, and the Devonian Period. The northernmost part of the county contains rocks of the Juniata Formation, the Bald Eagle Formation, and undivided Juniata and Bald Eagle formations. All of these formations primarily consist of sandstone. South of these formations lie the Bloomsburg and Mifflintown Formation undivided, the Clinton Group, and the Tuscarora Formation. The first two of these consist mainly of shale, while the third is composed of quartzite. The rock formations in the southwestern part of the county include the Brallier and Harrell Formations undivided, the Hamilton Group, the Irish Valley member of the Catskill Formation, and others. The eastern part of the county lies almost entirely over the Hamilton Group, the Tuscarora Formation, and the Irish Valley member of the Cataskill Formation.

Other rock formations found in Juniata County include the Keyser through Mifflintown Formation undivided, the Keyser and Tonoloway Formation undivided, the Onondaga and Old Port Formations undivided, the Reedsville Formation, the Trimmers Rock Formation, the Wills Creek Formation, and the Wills Creek Formation through Mifflintown Formation undivided.

Four of the rock formations found in Juniata County come from def Ordovician Period, seven come from the Silurian Period, and seven come from the Devonian Period.

There are seven soil associations in Juniata County. One of these is the Hazelton-Laidig-Buchanan Association. It is a deep and fairly well-drained soil that is found in 24% of the county. It is mostly found in the county's forested areas. The Berks-Weikert-Bedington Association is also found in the county. It is found in 33% of the county's area and is not as deep as the Hazelton-Laidig-Buchanan Association, but is well-drained. The soil is mostly found in agricultural lands and some forested areas. Another soil association in the county is the Edon-Opequon-Weikert Association, which is a well-drained soil that occupies 17% of the county. The Elliber-Kreamer-Mertz Association is a deep and well-drained soil that makes up 12% of the county. The Chenango-Pope-Holly Association and the Morrison-Hazelton-Clymer Association make up 7% and 6% of the county, respectively. They are both deep and occur on gentle slopes. However, the former is poorly drained, while the latter is well-drained. The Hazelton-Laidig-Buchanan Association is well-drained and makes up 1% of the county's area.

There are 51 different soil types in Juniata County, of which 18 are considered prime farmland. There area few agricultural soils on the northern and southern edges of the county.

The main rock formations in the boroughs of Mifflin and Mifflintown are the undivided Keyser and Tonoloway Formations and the Irish Valley Member of the Catskill Formation. The same rock formations are found in the borough of Port Royal, along with the Clinton Group and the Hamilton Group to the northwest and southeast of the borough, respectively. The Hamilton Group, the Keyser and Tonoloway Formations, and the Irish Valley Member of the Catskill Formation are found in or near the borough of Thompsontown.


Juniata County is in the Humid Continental climatic region. In the summer, highs are generally in between 80 °F (27 °C) and 90 °F (32 °C), but on occasion exceed 90 °F (32 °C). The lows in the summer are typically slightly below 60 °F (16 °C). High temperatures in the winter are usually between 30 °F (−1 °C) and 40 °F (4 °C).

On average, Juniata County receives 38 inches (97 cm) of precipitation per year. An average of 28 inches (71 cm) of snow fall on the county each winter. The county rarely experiences long-term droughts, but does experience short-term droughts often.


Historical population
Census Pop.
1840 11,080
1850 13,029 17.6%
1860 16,986 30.4%
1870 17,390 2.4%
1880 18,227 4.8%
1890 16,655 −8.6%
1900 16,054 −3.6%
1910 15,013 −6.5%
1920 14,464 −3.7%
1930 14,325 −1.0%
1940 15,373 7.3%
1950 15,243 −0.8%
1960 15,874 4.1%
1970 16,712 5.3%
1980 19,188 14.8%
1990 20,625 7.5%
2000 22,821 10.6%
2010 24,636 8.0%
Est. 2015 24,737 0.4%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

At the 2010 census, there were 24,636 people, 9,476 households, and 6,839 families residing in Juniata County. The projected population of the county for 2020 is 26,071. The population density was 63 people per square mile (24/km²). There were 10,978 housing units at an average density of 28 per square mile (10/km²). The racial makeup of the county was 96.8% White, 0.6% Black or African American, 0.1% Native American, 0.3% Asian (0.1% Indian, 0.1% Chinese, and 0.1% Korean), 1.1% from other races, and 1% from two or more races.

There are eight Filipino people, five Vietnamese people, and two Samoans in Juniata County.

2.5% of the population were Hispanic or Latino of any race. These include 195 Puerto Ricans, 77 Mexicans, and 2 Cubans. The highest percentage of Hispanic people in any township or borough in the county is 8.71%, in Mifflintown. Between 1990 and 2000, the Hispanic population in the county increased by 653%. In 2000, 45.4% of the population of Juniata County were of German, 20.2% American, 5.7% Irish and 5.0% English ancestry according to Census 2000. 3.95% reported speaking Pennsylvania German, German, or Dutch at home; 1.63% speak Spanish.

The housing density and population density of Juniata County is considerably below average for a Pennsylvania county.

The administrative subdivisions of Juniata County with the highest population density are Mifflintown (with a density of 6,184.9 people per square mile), Mifflin (with a density of 3506.9 people per square mile), and Thompsontown (with a density of 2193.1 people per square mile). The township with the highest population density in the county is Monroe Township, with 104.0 people per square mile. The highest density of housing units in the county is in Mifflintown (2,837.4 per square mile), followed by Mifflin (1,454.2 per square mile) and Thompsontown (1,144.4 per square mile). Greenwood Township has the third lowest population density of any administrative division in Juniata County: 27.9 people per square mile. The second lowest density is in Tuscarora Township (24.5 people per square mile) and the lowest density is in Lack Township (13.2 people per square mile). The lowest density of housing units in the county is in Lack Township (10.0 per square mile), the second-lowest density is in Greenwood Township (11.3 per square mile), and the third-lowest density is in Tuscarora Township (13.7 per square mile).

Between 1940 and 2005, the population of Juniata County was proportionally the third fastest-growing population of any county in Pennsylvania, with only Snyder County's and Perry County's populations growing faster. In this time period, the county's population has increased by 50.69%, or 7,792 people. In the 1980s, the county's rate of population growth was more than 50 times higher than the rate of population growth in Pennsylvania. The county's rate of population growth in the 1970s was even higher.

Susquehanna Township's population was the fastest-growing population of any administrative division in Juniata County between 1990 and 2005, with an increase of 35.42%. Other fast-growing populations in the county include those of Milford Township (22.53%) and Thompsontown 20.1%). The populations of Mifflin and Mifflintown are the only administrative divisions in the county whose populations decreased in that time period (at a rate of -7.42% and -3.7%, respectively). However, between 2000 and 2005, eight administrative divisions experienced decreasing populations. Between 1990 and 2000, every borough and township in the county experienced an increase in population.

At the 2010 census, the average household size in Juniata County was 2.57 and the average family size was 3.01. 23.0% of the county's households were inhabited by a single individual.

In 2000, there were 11,353 males and 11,468 females in Juniata County, or 98.99 males per 100 females. The highest percentage of males in any administrative division in the county was 52.07%, in Beale Township. The highest percentage of females in any township or borough in the county was 52.95%, in Fermanagh Township.

At the 2010 census, the population in Juniata County was spread out with 6.3% under 5 years of age, 6.8% from 5 to 9 years of age, and the same percentage from 10 to 14 years of age. 6.5% of the county's inhabitants were 15 to 19 years of age, 5.4% were 20 to 24 years old, 5.3% were 25 to 29 years old, and 5.5% were 30 to 34 years old. People of 35 to 39 years of age comprised 6.1% of the population, 40- to 44-year-olds comprised 6.6% of the population, and 7.6% of the population consisted of 50- to 54-year-olds. People of 55 to 59 years of age made up 7.6% of the population, people of 60 to 54 years of age comprised 6.0% of it, and 65- to 69-year-olds made up 4.9% of the population. People of 70 to 74 years of age make up 3.9% of the county's population, people of 75 to 79 years of age make up 3.2% of the population, people of 80 to 84 years old make up 2.5% of the population, and people older than 85 years make up 2.3% of the population.



The main roads in the eastern part of Juniata County are Pennsylvania Route 235, Pennsylvania Route 35, Pennsylvania Route 104, and U.S. Route 11/U.S. Route 15. The main roads in western Juniata County are U.S. Route 22/U.S. Route 322, Pennsylvania Route 74, Pennsylvania Route 850, and Pennsylvania Route 333. U.S. Route 22/U.S. Route 322 experiences the most traffic. It and U.S. Route 11/U.S. Route 15 are considered major arterial roads. Pennsylvania Route 75 and Pennsylvania Route 35 northeast of U.S. Route 22/U.S. Route 322 are minor arterial roads. Major rural collector roads in the county include Pennsylvania Route 850 Pennsylvania Route 74, Pennsylvania Route 235, and Pennsylvania Route 35 southwest of U.S. Route 22/U.S. Route 322. Minor rural collector roads include Pennsylvania Route 333 and numerous less prominent roads. There are also many local roads throughout the county, most of which are in its northeastern and central parts.

There are approximately 735 miles (1,183 km) of roads in Juniata County's road system. 372.6 miles (599.6 km) of the roads are locally owned, 354.9 miles (571.2 km) are owned by the Pennsylvania Department of Transportation, and 8.0 miles (12.9 km) are owned by Pennsylvania or the United States. 508.3 miles (818.0 km) are local roads, 89.7 miles (144.4 km) are minor collector roads, 68.7 miles (110.6 km) are major collector roads, 46.8 miles (75.3 km) are minor arterial roads, and 21.4 miles (34.4 km) are major arterial roads.

The daily traffic of Juniata County's arterial roads ranges from several dozen to several thousand vehicles per day. Pennsylvania Route 75 carries 50 vehicles per day in the southwestern part of the county and 7,000 vehicles per day in the northeastern part of the county. Pennsylvania Route 104 carries 2,900 vehicles per day in the county. The most heavily traveled road there, however, is U.S. Route 22/U.S. Route 322, which carries 11,000 to 18,000 vehicles per day. The least-trafficked major rural connector road is State Route 2026, which is used by 350 vehicles per day and the most-trafficked major rural connector road is Pennsylvania Route 35, which gets up to 7100 vehicles per day. Traffic on minor rural collector roads ranges from 100 vehicles per day on Academia Road to over 1000 vehicles per day on several roads. The volume of vehicle traffic in the county has changed little since the late 1990s.

U.S. Route 11 and U.S. Route 15 allow Juniata County residents to access numerous locations in New York, Pennsylvania, and Maryland. It receives approximately 12,000 vehicles per day in the county. Pennsylvania Route 35 allows access to Mifflin and Mifflintown from other locations in the county. Pennsylvania Route 75 is used by trucks in the county to access the Pennsylvania Turnpike.

There are 21 road intersections in Juniata County that were the site of five or more crashes between January 1, 2002, and December 31, 2006.


There are 254 state-owned bridges in Juniata County, of which 77 are considered structurally deficient by the Pennsylvania Department of Transportation.

The longest bridge in Juniata County is the First Street Bridge over the Juniata River in Port Royal. It is 1,087 feet (331 m) long and was built in 1937. The second-longest bridge in the county crosses the Juniata River at Thompsontown Station and is 808.1 feet (246.3 m) long. It was built in 1994. All other bridges in the county are less than 500 feet (150 m) long.

Other transportation

For air travel, Juniata County is served by the privately owned Mifflintown Airport and the Stottle Memorial Heliport in Tuscarora Township.

The BicyclePA Route J runs through Juniata County on U.S. Route 11 and U.S. Route 15.


There are five areas in Juniata County that are protected by the Central Pennsylvania Conservancy: the Baker Easement, the Brady Bryner Preserve, the Gregory Alan Grening Preserve, the Grening Preserve Addition, the McLaughlin Easement, and the Port Royal Wetlands. The combined area of these lands is 415 acres. There are State Game Lands in the northwestern part of the county and state forests in the county's northern and southern portions.

Four streams in Juniata County are considered high-quality coldwater fisheries. There are also some Class A Wild Trout Waters in the northern and western parts of the county.

The Juniata County Natural Heritage Inventory lists 59 natural heritage sites in Juniata County. 11 are considered "exceptional significance", 19 are considered "high significance", 12 are considered "notable significance", and 17 are considered "local significance". Sites on the inventory are found in every township in the county except for Greenwood Township.

The largest remaining intact wetland in Juniata County may be the Cedar Spring Run Wetland, which is in Walker Township. The Juniata County Natural Heritage Inventory considers it to be an "exceptional significance" site. Numerous wetland plants that are rare in the area inhabit this wetland, including Quercus shumardii. The wetland is a red maple-black ash palustrine forest community. Another wetland on the Natural Heritage Inventory's list of exceptional significance sites is the Locust Run Wetlands, which is in Walker Township and Delaware Township. These wetlands consist of two large groups of temporary pools and several permanent ones. The West Branch Mahantango Creek Vernal Pools are also in the county. This system consist of dozens of temporary pools that are inhabited by Leucothoe racemosa. The Slim Valley Wetlands are in Fayette Township and Fermanagh Township. They contain spotted pondweed and serve as a breeding ground for amphibians.

There are four sites on Tuscarora Creek and its tributaries on the "exceptional significance" list in the Juniata County Natural Heritage Inventory. The Doyle Run Floodplain is located on the creek in Beale Township. It contains a silver maple floodplain forest and is home to Ranunculus flabellaris and many species that are rare in Pennsylvania. Barton Hollow, a tributary of Tuscarora Creek in Lack Township, is home to plant species such as Carex careyana and Pinus echinata and animal species such as the Emperor Butterfly and a mussel species known as the Triangle Floater. Tuscarora Creek supports Carex shortiana downstream of Blair Hollow in Lack Township, as well as 350 plant species and 50 animal species. The creek's valley downstream of Pennybaker Island in Lack Township is home to Samolus parviflorus and Quercus shumardii.

A woodland known as the Kurtz Valley Woodland is located in Delaware Township, Juniata County. It is listed as an "exceptional significance" site on the Juniata County Natural Heritage Inventory and contains a red cedar–redbud shrubland community, which is rare in Pennsylvania. The McAlister Limestone Glade is another "exceptional significance" site in the county. It is located in Fayette Township and contains a side-oats grama calcareous grassland, which is described as a "very important" natural feature. The Westfall Prairie is also located in Fayette Township and is home to a number of rare species.

Allegheny Woodrats live on the slopes of the Lewistown Narrows in Milford Township, Juniata County and Northern Myotis bats feed there. The Lewistown Narrows are an "exceptional significance" site according to the Juniata County Natural Heritage Inventory.


Map of Juniata County Pennsylvania With Municipal and Township Labels
Map of Juniata County, Pennsylvania with Municipal Labels showing Boroughs (red), Townships (white), and Census-designated places (blue).

Under Pennsylvania law, there are four types of incorporated municipalities: cities, boroughs, townships, and, in at most two cases, towns.


Boroughs in Juniata County include:


Townships in Juniata County include:

  • Beale
  • Delaware
  • Fayette
  • Fermanagh
  • Greenwood
  • Lack
  • Milford
  • Monroe
  • Spruce Hill
  • Susquehanna
  • Turbett
  • Tuscarora
  • Walker

Census-designated places

Census-designated places are geographical areas designated by the U.S. Census Bureau for the purposes of compiling demographic data. They are not actual jurisdictions under Pennsylvania. CDPs in Juniata County include:

Population ranking

The population ranking of the following table is based on the 2010 census of Juniata County.

county seat

Rank City/Town/etc. Municipal type Population (2010 Census)
1 McAlisterville CDP 971
2 Mifflintown Borough 936
3 Port Royal Borough 925
4 Thompsontown Borough 697
5 Mifflin Borough 642
6 Richfield (partially in Snyder County) CDP 549
7 Mexico CDP 472
8 East Waterford CDP 196
9 East Salem CDP 196

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